Thermoplastic melting apparatus with a level indicator

Details Thermoplastic melting apparatus with a level indicator Thermoplastic melting apparatus with a level indicator

1987-10-29

1989-04-18

Rolla, Joseph J.

Dispensing

Weighing

222 52, 222 56, 2221462, 2221465, 177184, 220259, G01G 1300, G01G 1704

Patent

active

048219223

ABSTRACT:
A thermoplastic melting apparatus comprises a tank pivotally mounted upon bearings within the interior of a housing having a top cover. A load cell is mounted beneath the tank opposite the bearings which is effective to sense pivotal movement of the tank as it is loaded with and/or emptied of thermoplastic material, and to produce a signal which indicates the quantity of thermoplastic material within the tank. The load cell is isolated from dynamic forces produced by drive linkages which operate pumps associated with the tank, by positioning the pivot axis of the bearings in the same plane as the force produced by the drive linkage. The lid of the tank is isolated from the top cover of the housing to prevent the transmittal of forces to the tank from objects placed on the top cover of the housing or the like.

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